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authorrsc <devnull@localhost>2004-02-29 22:10:26 +0000
committerrsc <devnull@localhost>2004-02-29 22:10:26 +0000
commit5a8e63b2f016735364d17866d5e2bcb35d20c78b (patch)
treed5d0ce11e087efaf81c77311bac9d30aed41783d /src/libfmt/dofmt.c
parentd51419bf4397cf13d0c50bf84c125477c6bed307 (diff)
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Fighting the good fight.
Move libfmt, libutf into subdirectories of lib9. Add poll-based socket i/o to libthread, so that we can avoid using multiple procs when possible, thus removing dependence on crappy pthreads implementations. Convert samterm, acme to the single-proc libthread. Bring libcomplete, acme up-to-date w.r.t. Plan 9 distribution.
Diffstat (limited to 'src/libfmt/dofmt.c')
-rw-r--r--src/libfmt/dofmt.c558
1 files changed, 0 insertions, 558 deletions
diff --git a/src/libfmt/dofmt.c b/src/libfmt/dofmt.c
deleted file mode 100644
index d26f7158..00000000
--- a/src/libfmt/dofmt.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/*
- * The authors of this software are Rob Pike and Ken Thompson.
- * Copyright (c) 2002 by Lucent Technologies.
- * Permission to use, copy, modify, and distribute this software for any
- * purpose without fee is hereby granted, provided that this entire notice
- * is included in all copies of any software which is or includes a copy
- * or modification of this software and in all copies of the supporting
- * documentation for such software.
- * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
- * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
- * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
- */
-#include <stdarg.h>
-#include <string.h>
-#include "utf.h"
-#include "fmt.h"
-#include "fmtdef.h"
-
-/* format the output into f->to and return the number of characters fmted */
-int
-dofmt(Fmt *f, char *fmt)
-{
- Rune rune, *rt, *rs;
- int r;
- char *t, *s;
- int n, nfmt;
-
- nfmt = f->nfmt;
- for(;;){
- if(f->runes){
- rt = (Rune*)f->to;
- rs = (Rune*)f->stop;
- while((r = *(uchar*)fmt) && r != '%'){
- if(r < Runeself)
- fmt++;
- else{
- fmt += chartorune(&rune, fmt);
- r = rune;
- }
- FMTRCHAR(f, rt, rs, r);
- }
- fmt++;
- f->nfmt += rt - (Rune *)f->to;
- f->to = rt;
- if(!r)
- return f->nfmt - nfmt;
- f->stop = rs;
- }else{
- t = (char*)f->to;
- s = (char*)f->stop;
- while((r = *(uchar*)fmt) && r != '%'){
- if(r < Runeself){
- FMTCHAR(f, t, s, r);
- fmt++;
- }else{
- n = chartorune(&rune, fmt);
- if(t + n > s){
- t = (char*)__fmtflush(f, t, n);
- if(t != nil)
- s = (char*)f->stop;
- else
- return -1;
- }
- while(n--)
- *t++ = *fmt++;
- }
- }
- fmt++;
- f->nfmt += t - (char *)f->to;
- f->to = t;
- if(!r)
- return f->nfmt - nfmt;
- f->stop = s;
- }
-
- fmt = (char*)__fmtdispatch(f, fmt, 0);
- if(fmt == nil)
- return -1;
- }
- return 0; /* not reached */
-}
-
-void *
-__fmtflush(Fmt *f, void *t, int len)
-{
- if(f->runes)
- f->nfmt += (Rune*)t - (Rune*)f->to;
- else
- f->nfmt += (char*)t - (char *)f->to;
- f->to = t;
- if(f->flush == 0 || (*f->flush)(f) == 0 || (char*)f->to + len > (char*)f->stop){
- f->stop = f->to;
- return nil;
- }
- return f->to;
-}
-
-/*
- * put a formatted block of memory sz bytes long of n runes into the output buffer,
- * left/right justified in a field of at least f->width charactes
- */
-int
-__fmtpad(Fmt *f, int n)
-{
- char *t, *s;
- int i;
-
- t = (char*)f->to;
- s = (char*)f->stop;
- for(i = 0; i < n; i++)
- FMTCHAR(f, t, s, ' ');
- f->nfmt += t - (char *)f->to;
- f->to = t;
- return 0;
-}
-
-int
-__rfmtpad(Fmt *f, int n)
-{
- Rune *t, *s;
- int i;
-
- t = (Rune*)f->to;
- s = (Rune*)f->stop;
- for(i = 0; i < n; i++)
- FMTRCHAR(f, t, s, ' ');
- f->nfmt += t - (Rune *)f->to;
- f->to = t;
- return 0;
-}
-
-int
-__fmtcpy(Fmt *f, const void *vm, int n, int sz)
-{
- Rune *rt, *rs, r;
- char *t, *s, *m, *me;
- ulong fl;
- int nc, w;
-
- m = (char*)vm;
- me = m + sz;
- w = f->width;
- fl = f->flags;
- if((fl & FmtPrec) && n > f->prec)
- n = f->prec;
- if(f->runes){
- if(!(fl & FmtLeft) && __rfmtpad(f, w - n) < 0)
- return -1;
- rt = (Rune*)f->to;
- rs = (Rune*)f->stop;
- for(nc = n; nc > 0; nc--){
- r = *(uchar*)m;
- if(r < Runeself)
- m++;
- else if((me - m) >= UTFmax || fullrune(m, me-m))
- m += chartorune(&r, m);
- else
- break;
- FMTRCHAR(f, rt, rs, r);
- }
- f->nfmt += rt - (Rune *)f->to;
- f->to = rt;
- if(m < me)
- return -1;
- if(fl & FmtLeft && __rfmtpad(f, w - n) < 0)
- return -1;
- }else{
- if(!(fl & FmtLeft) && __fmtpad(f, w - n) < 0)
- return -1;
- t = (char*)f->to;
- s = (char*)f->stop;
- for(nc = n; nc > 0; nc--){
- r = *(uchar*)m;
- if(r < Runeself)
- m++;
- else if((me - m) >= UTFmax || fullrune(m, me-m))
- m += chartorune(&r, m);
- else
- break;
- FMTRUNE(f, t, s, r);
- }
- f->nfmt += t - (char *)f->to;
- f->to = t;
- if(fl & FmtLeft && __fmtpad(f, w - n) < 0)
- return -1;
- }
- return 0;
-}
-
-int
-__fmtrcpy(Fmt *f, const void *vm, int n)
-{
- Rune r, *m, *me, *rt, *rs;
- char *t, *s;
- ulong fl;
- int w;
-
- m = (Rune*)vm;
- w = f->width;
- fl = f->flags;
- if((fl & FmtPrec) && n > f->prec)
- n = f->prec;
- if(f->runes){
- if(!(fl & FmtLeft) && __rfmtpad(f, w - n) < 0)
- return -1;
- rt = (Rune*)f->to;
- rs = (Rune*)f->stop;
- for(me = m + n; m < me; m++)
- FMTRCHAR(f, rt, rs, *m);
- f->nfmt += rt - (Rune *)f->to;
- f->to = rt;
- if(fl & FmtLeft && __rfmtpad(f, w - n) < 0)
- return -1;
- }else{
- if(!(fl & FmtLeft) && __fmtpad(f, w - n) < 0)
- return -1;
- t = (char*)f->to;
- s = (char*)f->stop;
- for(me = m + n; m < me; m++){
- r = *m;
- FMTRUNE(f, t, s, r);
- }
- f->nfmt += t - (char *)f->to;
- f->to = t;
- if(fl & FmtLeft && __fmtpad(f, w - n) < 0)
- return -1;
- }
- return 0;
-}
-
-/* fmt out one character */
-int
-__charfmt(Fmt *f)
-{
- char x[1];
-
- x[0] = va_arg(f->args, int);
- f->prec = 1;
- return __fmtcpy(f, (const char*)x, 1, 1);
-}
-
-/* fmt out one rune */
-int
-__runefmt(Fmt *f)
-{
- Rune x[1];
-
- x[0] = va_arg(f->args, int);
- return __fmtrcpy(f, (const void*)x, 1);
-}
-
-/* public helper routine: fmt out a null terminated string already in hand */
-int
-fmtstrcpy(Fmt *f, char *s)
-{
- int p, i;
- if(!s)
- return __fmtcpy(f, "<nil>", 5, 5);
- /* if precision is specified, make sure we don't wander off the end */
- if(f->flags & FmtPrec){
- p = f->prec;
- for(i = 0; i < p; i++)
- if(s[i] == 0)
- break;
- return __fmtcpy(f, s, utfnlen(s, i), i); /* BUG?: won't print a partial rune at end */
- }
-
- return __fmtcpy(f, s, utflen(s), strlen(s));
-}
-
-/* fmt out a null terminated utf string */
-int
-__strfmt(Fmt *f)
-{
- char *s;
-
- s = va_arg(f->args, char *);
- return fmtstrcpy(f, s);
-}
-
-/* public helper routine: fmt out a null terminated rune string already in hand */
-int
-fmtrunestrcpy(Fmt *f, Rune *s)
-{
- Rune *e;
- int n, p;
-
- if(!s)
- return __fmtcpy(f, "<nil>", 5, 5);
- /* if precision is specified, make sure we don't wander off the end */
- if(f->flags & FmtPrec){
- p = f->prec;
- for(n = 0; n < p; n++)
- if(s[n] == 0)
- break;
- }else{
- for(e = s; *e; e++)
- ;
- n = e - s;
- }
- return __fmtrcpy(f, s, n);
-}
-
-/* fmt out a null terminated rune string */
-int
-__runesfmt(Fmt *f)
-{
- Rune *s;
-
- s = va_arg(f->args, Rune *);
- return fmtrunestrcpy(f, s);
-}
-
-/* fmt a % */
-int
-__percentfmt(Fmt *f)
-{
- Rune x[1];
-
- x[0] = f->r;
- f->prec = 1;
- return __fmtrcpy(f, (const void*)x, 1);
-}
-
-/* fmt an integer */
-int
-__ifmt(Fmt *f)
-{
- char buf[70], *p, *conv;
- uvlong vu;
- ulong u;
- int neg, base, i, n, fl, w, isv;
-
- neg = 0;
- fl = f->flags;
- isv = 0;
- vu = 0;
- u = 0;
- /*
- * Unsigned verbs
- */
- switch(f->r){
- case 'o':
- case 'u':
- case 'x':
- case 'X':
- fl |= FmtUnsigned;
- break;
- }
- if(f->r == 'p'){
- u = (ulong)va_arg(f->args, void*);
- f->r = 'x';
- fl |= FmtUnsigned;
- }else if(fl & FmtVLong){
- isv = 1;
- if(fl & FmtUnsigned)
- vu = va_arg(f->args, uvlong);
- else
- vu = va_arg(f->args, vlong);
- }else if(fl & FmtLong){
- if(fl & FmtUnsigned)
- u = va_arg(f->args, ulong);
- else
- u = va_arg(f->args, long);
- }else if(fl & FmtByte){
- if(fl & FmtUnsigned)
- u = (uchar)va_arg(f->args, int);
- else
- u = (char)va_arg(f->args, int);
- }else if(fl & FmtShort){
- if(fl & FmtUnsigned)
- u = (ushort)va_arg(f->args, int);
- else
- u = (short)va_arg(f->args, int);
- }else{
- if(fl & FmtUnsigned)
- u = va_arg(f->args, uint);
- else
- u = va_arg(f->args, int);
- }
- conv = "0123456789abcdef";
- switch(f->r){
- case 'd':
- case 'i':
- base = 10;
- break;
- case 'u':
- base = 10;
- break;
- case 'x':
- base = 16;
- break;
- case 'X':
- base = 16;
- conv = "0123456789ABCDEF";
- break;
- case 'b':
- base = 2;
- break;
- case 'o':
- base = 8;
- break;
- default:
- return -1;
- }
- if(!(fl & FmtUnsigned)){
- if(isv && (vlong)vu < 0){
- vu = -(vlong)vu;
- neg = 1;
- }else if(!isv && (long)u < 0){
- u = -(long)u;
- neg = 1;
- }
- }else{
- fl &= ~(FmtSign|FmtSpace); /* no + for unsigned conversions */
- }
- p = buf + sizeof buf - 1;
- n = 0;
- if(isv){
- while(vu){
- i = vu % base;
- vu /= base;
- if((fl & FmtComma) && n % 4 == 3){
- *p-- = ',';
- n++;
- }
- *p-- = conv[i];
- n++;
- }
- }else{
- while(u){
- i = u % base;
- u /= base;
- if((fl & FmtComma) && n % 4 == 3){
- *p-- = ',';
- n++;
- }
- *p-- = conv[i];
- n++;
- }
- }
- if(n == 0){
- if(!(fl & FmtPrec) || f->prec != 0){
- *p-- = '0';
- n = 1;
- }
- fl &= ~FmtSharp;
- }
- for(w = f->prec; n < w && p > buf+3; n++)
- *p-- = '0';
- if(neg || (fl & (FmtSign|FmtSpace)))
- n++;
- if(fl & FmtSharp){
- if(base == 16)
- n += 2;
- else if(base == 8){
- if(p[1] == '0')
- fl &= ~FmtSharp;
- else
- n++;
- }
- }
- if((fl & FmtZero) && !(fl & (FmtLeft|FmtPrec))){
- for(w = f->width; n < w && p > buf+3; n++)
- *p-- = '0';
- f->width = 0;
- }
- if(fl & FmtSharp){
- if(base == 16)
- *p-- = f->r;
- if(base == 16 || base == 8)
- *p-- = '0';
- }
- if(neg)
- *p-- = '-';
- else if(fl & FmtSign)
- *p-- = '+';
- else if(fl & FmtSpace)
- *p-- = ' ';
- f->flags &= ~FmtPrec;
- return __fmtcpy(f, p + 1, n, n);
-}
-
-int
-__countfmt(Fmt *f)
-{
- void *p;
- ulong fl;
-
- fl = f->flags;
- p = va_arg(f->args, void*);
- if(fl & FmtVLong){
- *(vlong*)p = f->nfmt;
- }else if(fl & FmtLong){
- *(long*)p = f->nfmt;
- }else if(fl & FmtByte){
- *(char*)p = f->nfmt;
- }else if(fl & FmtShort){
- *(short*)p = f->nfmt;
- }else{
- *(int*)p = f->nfmt;
- }
- return 0;
-}
-
-int
-__flagfmt(Fmt *f)
-{
- switch(f->r){
- case ',':
- f->flags |= FmtComma;
- break;
- case '-':
- f->flags |= FmtLeft;
- break;
- case '+':
- f->flags |= FmtSign;
- break;
- case '#':
- f->flags |= FmtSharp;
- break;
- case ' ':
- f->flags |= FmtSpace;
- break;
- case 'u':
- f->flags |= FmtUnsigned;
- break;
- case 'h':
- if(f->flags & FmtShort)
- f->flags |= FmtByte;
- f->flags |= FmtShort;
- break;
- case 'L':
- f->flags |= FmtLDouble;
- break;
- case 'l':
- if(f->flags & FmtLong)
- f->flags |= FmtVLong;
- f->flags |= FmtLong;
- break;
- }
- return 1;
-}
-
-/* default error format */
-int
-__badfmt(Fmt *f)
-{
- char x[3];
-
- x[0] = '%';
- x[1] = f->r;
- x[2] = '%';
- f->prec = 3;
- __fmtcpy(f, (const void*)x, 3, 3);
- return 0;
-}